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hlyA gene based detection of L. monocytogenes using PCR; (Lane 1)-100 bp DNA ladder, (Lane 2)-MTCC 657, (Lane 3)-CULM 19 (L. monocytogenes isolate from curd), (Lane 4)-MLM 47 (L. monocytogenes isolate from milk), (Lane 5)-BLM 3 (L. monocytogenes isolate from beef).
